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<br /> A R C H 1 T E C T U R E
<br /> 465California St Suite 1200
<br /> San Francisco CA94104-1839
<br /> P.(415)6]]-0966 E(415)6]]-0964
<br /> Client
<br /> ConsWtant
<br /> Indigo, 525 Middlefield, Redwood City, California July 30, 2013 Indigo, 525 Middlefield, Redwood City, California July 30, 2013 Indigo, 525 Middlefield, Redwood City, California July 30, 2013 Indigo, 525 Middlefield, Redwood City, California July 30, 2013
<br /> Fire Protection/Life Safety Features page 1 Fire Protection/Life Safety Features page 2 Fire Protection/Life Safety Features page 3 Fire Protection/Life Safety Features page 4
<br /> 5. HIGH RISE PROVISIONS 5.5.7. Controls for unlocking stairway doors simultaneously. 5.7.6. Emergency Load: Emergency voice/alarm communication system
<br /> 1. PURPOSE
<br /> CBC, Section 403, specifies fire protection system requirements for the proposed 5.5.8. Sprinkler valve and waterflow detector display panels. 5.7.7. Emergency Load: Automatic fire alarm and detection system
<br /> The purpose of this report is to document the fire protection systems and life safety high-rise building as follows:
<br /> features agreed upon with the City of Redwood City Fire Department by meetings and 5.5.9. Emergency and standby power status indicators. 5.7.8. Emergency Load: Electrically powered fire pump, if provided.
<br /> written correspondence between January 16, 2013 and June 24, 2013. 5.1. Automatic sprinkler protection shall be provided throughout the building. The
<br /> sprinkler system shall be provided with a secondary water supply. Floor control 5.5.10. A telephone for fire department use with controlled access to the public 5.8. The means of egress shall comply with the provisions of CBC, Section 403.5 and CBC,
<br /> 2. APPLICABLE CODES valves shall be provided at each level as required by CBC, Section 4033. The telephone system. Chapter 10.
<br /> The applicable codes for the project for determination of required fire protection and life automatic sprinkler system including the proposed fire pump system is described in 5.5.11. Fire pump status indicators.
<br /> safety features are the 2010 California Building Code (CBC) and the 2010 California Fire Section 6 of this report. 5.9. Elevators shall comply with the provisions of CBC, Section 403.6 and CBC, Chapter
<br /> Code (CFC) and any local amendments to these documents by Redwood City. 5.5.12. Schematic building plans indicating appropriate fire protection data for the 30. A minimum of three elevator hoistways, one per residential tower shall be sized
<br /> 5.2. A fire detection and alarm system shall be provided as required by CBC, Section building. to accommodate gurneys. Elevator lobbies shall be provided for each bank of
<br /> 403.4.1 and Section 403.4.2. The fire detection and alarm system is described in elevators.
<br /> 3. CONSTRUCTION TYPE Section 7 of this report. 5.5.13. Work table.
<br /> The building is proposed as Type IA construction. CBC, Table 503 allows an unlimited 53. An emergency voice/alarm communication system shall be provided for occupant 5.5.14. Generator supervision devices, manual start and transfer features. 6. FIRE SUPPRESSION SYSTEM
<br /> height and area for Type IA construction. The Type IA construction is proposed for the notification as part of the fire alarm system as required by CBC, Section 403.43. The
<br /> entire project and because an unlimited height and area are allowed by code, the project emergency voice/alarm communication system is described in Section 8 of this 5.5.15. Elevator fire recall switch. It was agreed that the primary elevator recall level 6.1. General
<br /> is proposed as a single building in accordance with the CBC. report. shall be the street level discharge. The alternate level for elevator recall shall
<br /> be the podium level. The project will be provided with two fire protection water supply connections to
<br /> Type IA construction is both non-combustible and fire-resistive construction. Type IA 5.4. An emergency responder radio coverage system shall be provided in accordance the municipal water purveyor. The fire service connections will be at Jefferson
<br /> construction has the highest fire-resistive construction requirements specified by the CBC. with CBC, Section 403.4.4 and CFC, Section 510. As discussed with the Redwood City 5.5.16. Elevator emergency or standby power selector switches. Avenue and Middlefield Road. Each connection will be provided with the
<br /> Fire Department the system will be engineered, designed and installed in appropriate backflow prevention assembly required by Redwood City. The fire
<br /> The construction type is appropriate to address the unique features associated with con unction with the buildin desi n rocess. 5.6. A smoke control system in accordance with CBC, Section 909, shall be provided. The
<br /> potential fires in high-rise buildings. � g g p protection mains will be routed in the basement to the fire pump room on the east
<br /> proposed smoke control system is described in Section 8 of this report. side of the project adjacent to Jefferson Avenue. One fire pump shall be provided to
<br /> 5.5. One fire command center complying with CBC, Section 911 shall be provided near serve the complete building. The fire pump shall be sized based upon the most
<br /> It has been agreed upon that the project functions as a single building, meeting the the Bradford Street entrance as agreed upon with the Redwood City Fire 5.7. A standby and emergency power system shall be provided in accordance with CBC,
<br /> California Building Code definition of a single building. Similarly, the fire protection hydraulically remote automatic sprinkler system design area within the building
<br /> Department. The room shall be a minimum of 200 square feet with the least Sections 403.7 and 403.8. A single generator system is proposed to provide the served from the secondary water source provided within the building. The
<br /> systems will utilize a single building design basis. dimension not being less than 10 ft. The fire command center shall be separated standby and emergency power loads. The project is proposed as a single building
<br /> secondary water source shall be sized at 36,000 useable gallons based upon the
<br /> from other areas by one-hour fire barriers. It shall include the following features as and will function as a single building. The generator system shall serve the following hydraulically calculated sprinkler demand plus 250 gpm for the inside hose stream
<br /> specified by CBC, Section 911.1.5: loads: for a duration of not less than 60 minutes. It is anticipated that the parking garage Q
<br /> 4. OCCUPANCY CLASSIFICATION as an Ordinary Hazard Group 1 classification in accordance with National Fire J �
<br /> 5.5.1. The emergency voice/alarm communication system control unit. 5.7.1. Standby Load: Power and lighting for the fire command center Protection Association (NFPA), Standard 13, Installation of Sprinkler5ystems, will �J,J � Q
<br /> The project will include the following occupancy classifications as defined by the CBC 5.5.2. The fire de artment communication s stem. yield the greatest demand by the automatic sprinkler system for the project. O � (� z
<br /> p v 5.7.2. Standby Load: Ventilation and automatic fire detection equipment for
<br /> within the building: ♦� �J,J
<br /> smokeproof enclosures Two four-way Fire Department Connections (FDCs) serving the combined automatic V J O O
<br /> 5.5.3. Fire detection and alarm system annunciator. �
<br /> S-2 Parking Garage at Basement, Floor 1 and Floor 2 sprinkler/standpipe system shall be provided and the piping shall be interconnected. Q � O �
<br /> B Commercial Spaces at Floor 1 5.5.4. Elevator status visual annunciator. 5.7.3. Standby Load: Elevators as required by CBC, Sections 1007.4, 3003, 3007 and The FDCs shall be wall mounted and located on Jefferson Avenue and Middlefield � � � —
<br /> R-2 Residential at Floors 1 through 10 3008 Road. � Q Q
<br /> A-3 Assembly areas at the "Rooftop" above Floor 2. 5.5.5. Status indicators and controls for air distribution systems. � U
<br /> 5.7.4. Emergency Load: Exit signs and means of egress illumination � w
<br /> 5.5.6. The firefighter's control panel required for the building smoke control � �
<br /> system. 5.7.5. Emergency Load: Elevator car lighting
<br /> HUGHES ASSOCIATES, WC. HUGHES ASSOCIATES, WC. HUGHES ASSOCIATES, WC. HUGHES ASSOCIATES, WC.
<br /> Indigo, 525 Middlefield, Redwood City, California July 30, 2013 Indigo, 525 Middlefield, Redwood City, California July 30, 2013 Indigo, 525 Middlefield, Redwood City, California July 30, 2013 Indigo, 525 Middlefield, Redwood City, California July 30, 2013
<br /> Fire Protection/Life Safety Features page 5 Fire Protection/Life Safety Features page 6 Fire Protection/Life Safety Features page 7 Fire Protection/Life Safety Features page 8
<br /> FDCs. Appropriate signage and wording will be discussed and agreed upon with the 7.2.6. Notification: An emergency voice/alarm communication system shall be One exterior stairway shall be provided to achieve access/egress from the Floor 3
<br /> 6.2. Automatic Sprinkler System Fire Department as the design progresses. provided throughout the building in accordance with CBC, Section 905.2.2 Landscaped Podium. The stairway is located at the northwest corner of the project
<br /> adjacent to Middlefield Road. There are several other access/egress points from the
<br /> The automatic sprinkler system shall be designed in accordance with NFPA 13 as 7.3. EMERGENCY VOICE/ALARM COMMUNICATION SYSTEM: landscaped podium that are achieved via the interior corridor and stairway systems.
<br /> amended by the CBC. The automatic sprinkler system for the garage areas and the 7. FIRE DETECTION AND ALARM SYSTEM As a Type IA construction building, there is no requirement for Emergency Escape
<br /> residential areas will be zoned independently. Each garage level will have multiple The emergency voice/alarm communication system shall be designed and installed and Rescue windows (CBC, Section 1029) and there is no other specific code
<br /> control valve zones to limit each control area to less than 52,000 square feet as 7.1. GENERAL in accordance with 907.5.2.2. requirement for the fire department to have the ability to access the podium level
<br /> Issue Date
<br /> required by NFPA 13. At Floor 1, Floor 2 and Floor 3 the residential/commercial with large ladder equipment. For design purposes, the landscaped podium may be
<br /> A fire alarm system shall be provided as required by CBC, Section 907.2.9 for the 8. SMOKE CONTROL SYSTEM �� �� �� �� PRECISE PLAN 11.022012
<br /> areas will be zoned with floor control valves to limit each control area to less than considered a room or an area located on the third story of the building. Access SUBMITTAL
<br /> 52,000 square feet as required by NFPA 13. Floors 4 through 10 will have a single residential occupancy (R-2 occupancy classification) and as required by CBC, Section is provided to this level via the stairways and elevators. Egress is provided via the PP RESUBMITTAL 01.16.2013
<br /> control valve er stor er tower. 907.2.13 for high-rise buildings. The fire alarm system features are described in the 8.1. GENERAL code conformin stairwa enclosures. This a roach is reasonable iven that a T e
<br /> P Y P g Y pp g� Yp PPS REVISIONS 05.17.2013
<br /> subsequent paragraphs and the design will be coordinated with the required smoke 1A construction building of non-combustible and fire-resistive materials is allowed
<br /> 63. Standpipe System control system described in Section 8 of this report. The smoke control system will be designed in accordance with CBC, Section 909, to be of unlimited floor area. � PPS REVISIONS 07.03.2013
<br /> including the preparation of a rational analysis. The smoke control system shall PROGRESS SET 07.03.2013
<br /> 7.2. FIRE ALARM AND DETECTION SYSTEM FEATURES include the following features:
<br /> The Class I standpipe system shall be combined with the automatic sprinkler system. 9.2. EQUIPMENT CACHE ROOMS PPS REVISIONS 07.19.2013
<br /> It shall be a wet standpipe system served from the discharge side of the fire pump. 8.1.1. Stair Pressurization S stems: The stairwa s shall be desi ned as PPS REVISIONS 07.31.2013
<br /> The fire alarm and detection system will be provided with the following features as Y Y g
<br /> Because the fire pump will be sized to serve the automatic sprinkler system and a Equipment cache rooms shall be provided on Floors 5 and 10 of each residential
<br /> required by the CBC: smokeproof enclosures.The stairway shafts will be designed to achieve a --- ---
<br /> hose stream allowance required by NFPA 13, the Class I wet standpipe system will tower. The following equipment shall be provided by the Owner and located within
<br /> positive pressure differential relative to the vestibules. The vestibules will
<br /> require water and pressure from the responding fire department pumper apparatus achieve a ositive ressure relative to the fire floor. The ressurized each cache room: --- ---
<br /> to in order to meet the total standpipe demand. Redwood City Fire Department has 7•2•1. Automatic Detection: Area smoke detection shall be provided in each P P P ___ ___
<br /> elevator machine room and in elevator lobbies. stairway shafts shall be provided with relief vents.
<br /> agreed to this approach. 9.2.1. Salvage covers and water-vacuums for water removal and property
<br /> 8.1.2. Floor Levels: Passive smoke control shall be provided via fire barriers, fire protection.
<br /> Class I standpipe system hose outlets shall be located at every required exit 7•2•2• Automatic Detection: Duct smoke detectors shall be provided in main return 9.2.2. Salvage tarps for carrying wet/fire damaged contents out of the building.
<br /> air and exhaust air plenum of each air-conditioning system having a capacity partitions, fire protection rated openings and smoke and draft control
<br /> stairway. The stairways shall be designed as smokeproof enclosures based upon the 9.2.3. Electric-driven fan blowers to expedite smoke removal.
<br /> of greater than 2 000 cfm. assemblies at the residential floor levels. The Fire Department requested
<br /> high-rise designation for the building. Therefore, the hose outlets are proposed ' no active smoke control features on the floor levels other than smoke 9.2.4. Hall runners to protect the corridor floors from water and soot damage.
<br /> within the vestibule of each smokeproof enclosure. 9.2.5. Tapered neoprene fire sprinkler plugs.
<br /> 7.2.3. Automatic Detection: Duct smoke detectors shall be provided at each detectors required to close fire/smoke dampers penetrating fire barriers
<br /> Additionally, standpipe hose valve outlets shall be provided on the landscaped connection to a vertical duct or riser serving two or more stories from a
<br /> and fire partitions. As previously agreed upon, cache rooms will be 9.2.6. Staple guns for securing plastic salvage covers.
<br /> return air or duct plenum of an air-conditioning system or for the R-2 provided in each of the Towers on the fifth floor and the tenth floor levels.
<br /> podium, if necessary, to ensure that all areas are located within 150 feet of a In addition to other items, the cache rooms will include fan blowers to
<br /> standpipe connection. occupancy a smoke detector shall be installed in each return air riser carrying
<br /> not more than 5,000 cfm and serving not more than 10 air-inlet openings. expedite smoke removal when determined to be necessary by responding
<br /> Fire Department suppression staff. The equipment cache rooms are
<br /> 6.4. Supplemental Hose Valve Outlet addressed in Section 9.
<br /> 7.2.4. Automatic Detection: Additional area and/or duct smoke detectors may be
<br /> As a condition of providing a single fire pump to serve the project it has been agreed provided as determined by the Rational Analysis prepared for the smoke
<br /> control system design. 8.13. Garage Areas: Smoke removal will be by the Carbon Monoxide (CO)
<br /> that a 4-1/2-inch standpipe hose valve outlet shall be provided on the exterior wall Removal System. Automatic sprinkler system water flow indication in the
<br /> of the building at Jefferson Avenue. The hose valve outlet shall be served by a 4- garage areas will be interconnected with the CO Removal System.
<br /> inch pipe connected to the suppression system piping on the discharge side of the 7•2•5. Smoke Alarms: The individual dwelling units will be provided either with
<br /> fire pump. The supplemental hose valve outlet shall be provided to afford the single-station or multiple station smoke alarms or with fire alarm system /y�
<br /> responding fire department with the capability of utilizing the on-site water storage
<br /> connected smoke detectors. If fire alarm system connected smoke detectors 9. MISCELLANEOUS W
<br /> capacity from the exterior of the building. are installed, they are proposed to report as a supervisory condition. If '
<br /> multiple smoke alarms or smoke detectors are installed within an individual 9•1. PODIUM ACCESS �
<br /> In order to avoid confusion for the responding fire suppression staff, the dwelling unit all notification appliances exclusively serving that individual
<br /> supplemental hose valve outlet shall be clearly differentiated with signage from the dwelling unit shall activate. '
<br /> �
<br /> HUGHES ASSOCIATES, WC. HUGHES ASSOCIATES, WC. HUGHES ASSOCIATES, WC. HUGHES ASSOCIATES, WC. �
<br /> �
<br /> � id wntten matenal aPPeann9 herein
<br /> nginal,and unpublished work of the
<br /> and may notbe duplicated,used or
<br /> 3d wiehoue me wntten consene of ehe
<br /> � architect.
<br /> RMATION -
<br /> � LETTERS
<br /> �
<br /> FIRE/ SPRINFCLER 1
<br /> s�ia NOT TO SCALE
<br /> P�ojeaNO. 1130 orzwney
<br /> Sheet Size�.30 x 42
<br /> � A0.6
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